/* Shared visual foundation for the admin and public applications. */
:root {
  color-scheme: light;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --bg: #edf4ff;
  --bg-elevated: #f8fbff;
  --text: #142033;
  --text-strong: #071226;
  --muted: #60708a;
  --subtle: #8492a9;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-contrast: #ffffff;
  --success: #15803d;
  --warning: #a85d00;
  --danger: #c52222;
  --info: #096b9d;
  --surface: #ffffff;
  --surface-muted: #f1f5fb;
  --glass: rgba(255, 255, 255, 0.9);
  --glass-strong: rgba(255, 255, 255, 0.96);
  --glass-soft: rgba(255, 255, 255, 0.78);
  --glass-hover: rgba(255, 255, 255, 0.98);
  --glass-border: rgba(112, 137, 177, 0.26);
  --glass-highlight: rgba(255, 255, 255, 0.78);
  --field-bg: rgba(255, 255, 255, 0.92);
  --field-border: rgba(91, 113, 151, 0.32);
  --divider: rgba(112, 137, 177, 0.22);
  --backdrop: rgba(15, 23, 42, 0.5);
  --shadow-sm: 0 8px 24px rgba(36, 55, 89, 0.09);
  --shadow-md: 0 18px 48px rgba(36, 55, 89, 0.14);
  --shadow-lg: 0 28px 80px rgba(16, 30, 56, 0.22);
  --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.3);
  --radius-sm: 10px;
  --radius-md: 15px;
  --radius-lg: 21px;
  --radius-xl: 28px;
  --blur: 0px;
  --saturate: 100%;
  --duration-fast: 150ms;
  --duration: 240ms;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --page-background:
    radial-gradient(circle at 8% 2%, rgba(96, 165, 250, 0.28), transparent 31rem),
    radial-gradient(circle at 92% 14%, rgba(45, 212, 191, 0.2), transparent 27rem),
    radial-gradient(circle at 50% 105%, rgba(167, 139, 250, 0.18), transparent 34rem),
    linear-gradient(145deg, #eef5ff 0%, #f8fbff 46%, #edf8f5 100%);
}

:root[data-theme="light"] {
  color-scheme: light;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #07101f;
  --bg-elevated: #0b1628;
  --text: #dce7f7;
  --text-strong: #f8fbff;
  --muted: #9aabc4;
  --subtle: #72839c;
  --accent: #76a9ff;
  --accent-hover: #9abfff;
  --accent-contrast: #061226;
  --success: #5bd58a;
  --warning: #f7bd69;
  --danger: #ff8585;
  --info: #6fcaf3;
  --surface: #101d31;
  --surface-muted: #132239;
  --glass: rgba(12, 25, 43, 0.91);
  --glass-strong: rgba(15, 29, 48, 0.97);
  --glass-soft: rgba(19, 36, 59, 0.8);
  --glass-hover: rgba(25, 45, 72, 0.96);
  --glass-border: rgba(163, 190, 230, 0.18);
  --glass-highlight: rgba(208, 225, 250, 0.12);
  --field-bg: rgba(11, 24, 42, 0.9);
  --field-border: rgba(157, 184, 223, 0.25);
  --divider: rgba(158, 185, 224, 0.17);
  --backdrop: rgba(1, 5, 13, 0.7);
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.22);
  --shadow-md: 0 20px 54px rgba(0, 0, 0, 0.34);
  --shadow-lg: 0 30px 90px rgba(0, 0, 0, 0.48);
  --focus-ring: 0 0 0 3px rgba(118, 169, 255, 0.38);
  --page-background:
    radial-gradient(circle at 7% 0%, rgba(37, 99, 235, 0.25), transparent 31rem),
    radial-gradient(circle at 93% 16%, rgba(13, 148, 136, 0.2), transparent 29rem),
    radial-gradient(circle at 52% 110%, rgba(109, 40, 217, 0.2), transparent 36rem),
    linear-gradient(145deg, #07101f 0%, #0a1424 48%, #071b1b 100%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #07101f;
    --bg-elevated: #0b1628;
    --text: #dce7f7;
    --text-strong: #f8fbff;
    --muted: #9aabc4;
    --subtle: #72839c;
    --accent: #76a9ff;
    --accent-hover: #9abfff;
    --accent-contrast: #061226;
    --success: #5bd58a;
    --warning: #f7bd69;
    --danger: #ff8585;
    --info: #6fcaf3;
    --surface: #101d31;
    --surface-muted: #132239;
    --glass: rgba(12, 25, 43, 0.91);
    --glass-strong: rgba(15, 29, 48, 0.97);
    --glass-soft: rgba(19, 36, 59, 0.8);
    --glass-hover: rgba(25, 45, 72, 0.96);
    --glass-border: rgba(163, 190, 230, 0.18);
    --glass-highlight: rgba(208, 225, 250, 0.12);
    --field-bg: rgba(11, 24, 42, 0.9);
    --field-border: rgba(157, 184, 223, 0.25);
    --divider: rgba(158, 185, 224, 0.17);
    --backdrop: rgba(1, 5, 13, 0.7);
    --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.22);
    --shadow-md: 0 20px 54px rgba(0, 0, 0, 0.34);
    --shadow-lg: 0 30px 90px rgba(0, 0, 0, 0.48);
    --focus-ring: 0 0 0 3px rgba(118, 169, 255, 0.38);
    --page-background:
      radial-gradient(circle at 7% 0%, rgba(37, 99, 235, 0.25), transparent 31rem),
      radial-gradient(circle at 93% 16%, rgba(13, 148, 136, 0.2), transparent 29rem),
      radial-gradient(circle at 52% 110%, rgba(109, 40, 217, 0.2), transparent 36rem),
      linear-gradient(145deg, #07101f 0%, #0a1424 48%, #071b1b 100%);
  }
}

@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root {
    --glass: rgba(255, 255, 255, 0.66);
    --glass-strong: rgba(255, 255, 255, 0.8);
    --glass-soft: rgba(255, 255, 255, 0.5);
    --glass-hover: rgba(255, 255, 255, 0.82);
    --blur: 22px;
    --saturate: 145%;
  }

  :root[data-theme="dark"] {
    --glass: rgba(12, 25, 43, 0.68);
    --glass-strong: rgba(15, 29, 48, 0.82);
    --glass-soft: rgba(19, 36, 59, 0.54);
    --glass-hover: rgba(25, 45, 72, 0.84);
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
      --glass: rgba(12, 25, 43, 0.68);
      --glass-strong: rgba(15, 29, 48, 0.82);
      --glass-soft: rgba(19, 36, 59, 0.54);
      --glass-hover: rgba(25, 45, 72, 0.84);
    }
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--text);
  background-color: var(--bg);
  background-image: var(--page-background);
  background-attachment: fixed;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  transition: color var(--duration) var(--ease), background-color var(--duration) var(--ease);
}

body.no-scroll,
body.is-locked {
  overflow: hidden;
  touch-action: none;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select,
label,
summary,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--accent);
}

::selection {
  color: var(--accent-contrast);
  background: var(--accent);
}

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: var(--focus-ring);
}

:where(button, input, select, textarea):disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.52;
}

.glass,
.glass-surface {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 var(--glass-highlight), var(--shadow-sm);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(var(--saturate));
  backdrop-filter: blur(var(--blur)) saturate(var(--saturate));
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 10000;
  padding: 10px 14px;
  color: var(--accent-contrast);
  background: var(--accent);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
  transition: transform var(--duration-fast) var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.preferences {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.language-control {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.language-control > [aria-hidden="true"] {
  position: absolute;
  left: 12px;
  z-index: 1;
  pointer-events: none;
}

.language-select,
.theme-select,
.theme-toggle,
.icon-button {
  min-height: 42px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--glass-soft);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(var(--saturate));
  backdrop-filter: blur(var(--blur)) saturate(var(--saturate));
}

.language-select,
.theme-select {
  max-width: 12rem;
  padding: 0 36px 0 13px;
  color: var(--text);
  cursor: pointer;
}

.theme-toggle,
.icon-button {
  display: inline-grid;
  width: auto;
  min-width: 42px;
  padding: 0 12px;
  place-items: center;
  grid-auto-flow: column;
  gap: 7px;
  color: var(--text);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
}

.icon-button {
  width: 42px;
  padding: 0;
}

.theme-label {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.language-control .language-select {
  padding-left: 36px;
}

.theme-toggle:hover,
.icon-button:hover {
  background: var(--glass-hover);
  transform: translateY(-1px);
}

.theme-toggle [data-theme-icon="light"],
:root[data-theme="dark"] .theme-toggle [data-theme-icon="dark"] {
  display: none;
}

:root[data-theme="dark"] .theme-toggle [data-theme-icon="light"] {
  display: inline;
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--subtle) transparent;
  -webkit-overflow-scrolling: touch;
}

.empty-state {
  display: grid;
  min-height: 180px;
  padding: 28px;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
  background: var(--glass);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-lg);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(var(--saturate));
  backdrop-filter: blur(var(--blur)) saturate(var(--saturate));
}

.empty-state > :first-child {
  color: var(--text-strong);
}

.flash-wrap,
.toast-region {
  display: grid;
  gap: 10px;
}

.toast-region {
  position: fixed;
  top: 18px;
  right: max(18px, env(safe-area-inset-right));
  z-index: 5000;
  width: min(390px, calc(100vw - 36px));
  pointer-events: none;
}

.flash,
.toast {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 46px;
  padding: 12px 44px 12px 14px;
  color: var(--text);
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--info);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(var(--saturate));
  backdrop-filter: blur(var(--blur)) saturate(var(--saturate));
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.toast {
  pointer-events: auto;
}

.flash.success,
.toast.success {
  border-left-color: var(--success);
}

.flash.warning,
.flash.warn,
.toast.warning {
  border-left-color: var(--warning);
}

.flash.danger,
.flash.error,
.toast.danger,
.toast.error {
  border-left-color: var(--danger);
}

.flash.is-leaving,
.toast.is-leaving {
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
}

.flash-close,
.toast-close,
[data-flash-close] {
  position: absolute;
  top: 50%;
  right: 9px;
  display: grid;
  width: 30px;
  height: 30px;
  padding: 0;
  place-items: center;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transform: translateY(-50%);
}

.flash-close:hover,
.toast-close:hover,
[data-flash-close]:hover {
  color: var(--text-strong);
  background: var(--glass-soft);
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  background: currentColor;
  border-radius: 999px;
}

.progress-track {
  width: 100%;
  height: 9px;
  overflow: hidden;
  background: var(--surface-muted);
  border-radius: 999px;
}

.progress-bar,
[data-import-progress]:not(.status-dot) {
  display: block;
  width: var(--progress, 0%);
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #2dd4bf);
  border-radius: inherit;
  transition: width var(--duration) var(--ease);
}

@media (max-width: 520px) {
  .preferences {
    gap: 6px;
  }

  .language-select,
  .theme-select {
    max-width: 9.5rem;
    min-height: 40px;
  }

  .theme-toggle,
  .icon-button {
    min-width: 40px;
    min-height: 40px;
  }

  .icon-button {
    width: 40px;
  }

  .preferences-compact .theme-label {
    display: none;
  }

  .preferences-compact .theme-toggle {
    width: 40px;
    padding: 0;
  }

  .toast-region {
    top: 10px;
    right: 10px;
    width: calc(100vw - 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .glass,
  .glass-surface,
  .flash,
  .toast,
  .empty-state {
    border: 1px solid CanvasText;
  }
}